Home / 1,138,160.52-1,570,658.31-628,859.25

Finding the Fourth Proportional to 1,138,160.52, 1,570,658.31 and 628,859.25

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Solution

The fourth proportional to 1,138,160.52, 1,570,658.31 and 628,859.25 is: 867,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,160.52 : 1,570,658.31 = 628,859.25 : x
  2. Step 2: Convert to fraction form
    1,138,160.52/1,570,658.31 = 628,859.25/x
  3. Step 3: Cross multiply
    1,138,160.52x = 1,570,658.31 × 628,859.25
  4. Step 4: Simplify right side
    1,138,160.52x = 987,723,006,832.87
  5. Step 5: Solve for x
    x = 987,723,006,832.87/1,138,160.52
  6. Step 6: Final answer
    x = 867,823.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.